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SiYuan: Missing authorization on refreshBacklink allows anonymous readers to trigger persistent server-side writes and unauthenticated resource amplification (publish mode)
SiYuan: Missing authorization on refreshBacklink allows anonymous readers to trigger persistent server-side writes and unauthenticated resource amplification (publish mode)
Affected packages
- github.com/siyuan-note/siyuan/kernel
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-wgwx-479j-23vq
- https://nvd.nist.gov/vuln/detail/CVE-2026-72812
- https://github.com/siyuan-note/siyuan/commit/7d273c271ce193b9d3ee5751b596b8093ba84ada
- https://github.com/siyuan-note/siyuan
- https://www.vulncheck.com/advisories/siyuan-before-missing-authorization-via-refreshbacklink
Structured record: https://osv.dev/vulnerability/GHSA-wgwx-479j-23vq
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